50555533439 has 2 divisors, whose sum is σ = 50555533440. Its totient is φ = 50555533438.

The previous prime is 50555533423. The next prime is 50555533517. The reversal of 50555533439 is 93433555505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50555533439 - 2⁴ = 50555533423 is a prime.

It is a super-2 number, since 2×50555533439² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 50555533393 and 50555533402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50555533339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25277766719 + 25277766720.

It is an arithmetic number, because the mean of its divisors is an integer number (25277766720).

Almost surely, 2^50555533439 is an apocalyptic number.

50555533439 is a deficient number, since it is larger than the sum of its proper divisors (1).

50555533439 is an equidigital number, since it uses as much as digits as its factorization.

50555533439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3037500, while the sum is 47.

The spelling of 50555533439 in words is "fifty billion, five hundred fifty-five million, five hundred thirty-three thousand, four hundred thirty-nine".